DRIVER FOR CONNECTING LIGHT-EMITTING DIODE TO ELECTRONIC BALLAST Russian patent published in 2017 - IPC H05B33/08 

FIELD: lighting.

SUBSTANCE: invention relates to a driver for excitation of a light-emitting diodes circuit. Result is achieved by that provided is driver (1) with first circuit (10) for a detuning resonator of electronic ballast (3). First circuit (10) comprises a serial connection of capacitor (11) and bidirectional switch (12). Serial connection is connected with electronic ballast (3) to receive an AC signal. Driver (1) is provided with second circuit (20) for providing a DC signal to circuit (2) of light-emitting diodes. Second circuit (20) contains a rectifier with input leads connected with the serial connection and output leads connected to circuit (2) of light-emitting diodes. Besides, driver (1) is provided with third circuit (30) to provide a control signal to first circuit (10) for control over the level of power supplied to circuit (2) of light-emitting diodes.

EFFECT: technical result is the possibility of replacement of the electronic ballast of a fluorescent tubular lamp or a similar lamp with a LED circuit without removing the electronic ballast.

14 cl, 5 dwg